简化施肥夏直播棉对密度和氮肥的响应

秦鸿德, 荣义华, 黄晓莉, 胡爱兵, 周家华, 闫显会, 李蔚, 张贤红, 李洪菊, 杨国正

Responses of Cotton to Planting Densities and Nitrogen Rates under Direct Seeding in Summer with Simplified Fertilization

Qin Hongde, Rong Yihua, Huang Xiaoli, Hu Aibing, Zhou Jiahua, Yan Xianhui, Li Wei, Zhang Xianhong, Li Hongju, Yang Guozheng

表1 夏直播棉花生长期间主要气象条件

Table 1 Meteorological factors during the direct seeding cotton growth season

月份 Month	平均温度 Average temperature (℃)			平均湿度 Average humidity (%)			降水量 Precipitation (mm)			雨日 Days of raining (d)
月份 Month	2016	2017	历年平均 Average from 1951 to 2015	2016	2017	历年平均 Average from 1951 to 2015	2016	2017	历年平均 Average from 1951 to 2015	2016	2017	历年平均 Average from 1951 to 2015
6	25.6	25.9	26.9	82.0	82.6	78.4	358.5	68.9	165.7	15	12	11.5
7	29.7	31.2	29.8	82.2	74.6	77.7	582.8	48.7	252.2	13	2	9.5
8	30.3	29.1	29.2	74.9	85.3	77.8	68.0	123.6	112.2	10	11	8.5
9	26.3	24.7	24.8	66.5	84.7	75.9	23.7	75.3	53.5	6	16	7.5
10	20.9	18.4	19.4	81.1	90.7	75.4	113.3	21.3	50.2	16	16	8.4